3 definitions by devmodesquad

zwitterion

A molecule that has >1 localized charges which may be of opposite polarity. That is to say, it may be a positive ion on one side, and a negative ion on the other.

Most free amino acids form zwitterions, and in this way the negative and positive ends join together to form a chain. When these chains reach a length of thousands of links they become proteins.

by devmodesquad January 10, 2008

ion

An atom or molecule with an unequal number of protons and electrons, yielding a charge.

When salt is added to water it dissolves by breaking into it's conjugate ions.

by devmodesquad January 10, 2008

dispositive

The determinative factor in a decision or question, especially in law.

Whether he blew a .08 or higher on the breathalyzer is dispositive as to whether he will be found guilty of DUI.

by devmodesquad November 20, 2010